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Amersham Biosciences, Stratagene


Amersham Biosciences has released a new range of Kvick ultrafiltration cassettes, which the company said were designed to lessen bioprocessing times.

Kvick cassettes comprise macrovoid-free membranes arranged in flat sheets. All cassettes feature a built-in gasket, which reduces the risk of contamination and the need to stock and replace gaskets, according to Amersham. Kvick cassettes offer high flux rates, and their three-component construction, from PES, polypropylene, and silicone, ensures low extractables.

Five different membrane nominal-molecular-weight cutoffs are available, down to a molecular weight of 10 kDa, according to Amersham. In addition, three cassette sizes are available, from 0.1 m2 to 2.32 m2.

Stratagene has rolled out its Brilliant SYBR Green Single-Step QRT-PCR Master Mix system for quantitation of gene expression in a closed-tube system. This master mix is developed to amplify and detect amplicons up to 400 bp, according to Stratagene.


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